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dc.contributor.authorMansuripur, Masud
dc.date.accessioned2018-06-04T18:03:33Z
dc.date.available2018-06-04T18:03:33Z
dc.date.issued2017-10
dc.identifier.citationMansuripur, M. Appl. Phys. A (2017) 123: 653. https://doi.org/10.1007/s00339-017-1253-2en_US
dc.identifier.issn0947-8396
dc.identifier.issn1432-0630
dc.identifier.doi10.1007/s00339-017-1253-2
dc.identifier.urihttp://hdl.handle.net/10150/627871
dc.description.abstractThe classical theory of electrodynamics is built upon Maxwell's equations and the concepts of electromagnetic (EM) field, force, energy, and momentum, which are intimately tied together by Poynting's theorem and by the Lorentz force law. Whereas Maxwell's equations relate the fields to their material sources, Poynting's theorem governs the flow of EM energy and its exchange between fields and material media, while the Lorentz law regulates the back-and-forth transfer of momentum between the media and the fields. An alternative force law, first proposed by Einstein and Laub, exists that is consistent with Maxwell's equations and complies with the conservation laws as well as with the requirements of special relativity. While the Lorentz law requires the introduction of hidden energy and hidden momentum in situations where an electric field acts on a magnetized medium, the Einstein-Laub (E-L) formulation of EM force and torque does not invoke hidden entities under such circumstances. Moreover, total force/torque exerted by EM fields on any given object turns out to be independent of whether the density of force/torque is evaluated using the law of Lorentz or that of Einstein and Laub. Hidden entities aside, the two formulations differ only in their predicted force and torque distributions inside matter. Such differences in distribution are occasionally measurable, and could serve as a guide in deciding which formulation, if either, corresponds to physical reality.en_US
dc.language.isoenen_US
dc.publisherSPRINGERen_US
dc.relation.urlhttp://link.springer.com/10.1007/s00339-017-1253-2en_US
dc.rights© Springer-Verlag GmbH Germany 2017en_US
dc.titleForce, torque, linear momentum, and angular momentum in classical electrodynamicsen_US
dc.typeArticleen_US
dc.contributor.departmentUniv Arizona, Coll Opt Scien_US
dc.identifier.journalAPPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSINGen_US
dc.description.note12 month embargo; published online: 19 September 2017en_US
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.en_US
dc.eprint.versionFinal accepted manuscripten_US
dc.source.journaltitleApplied Physics A
dc.source.volume123
dc.source.issue10


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